diff options
Diffstat (limited to 'drivers/bluetooth/btmrvl_drv.h')
| -rw-r--r-- | drivers/bluetooth/btmrvl_drv.h | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/drivers/bluetooth/btmrvl_drv.h b/drivers/bluetooth/btmrvl_drv.h new file mode 100644 index 0000000000..d7df05c56b --- /dev/null +++ b/drivers/bluetooth/btmrvl_drv.h @@ -0,0 +1,173 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Marvell Bluetooth driver: global definitions & declarations + * + * Copyright (C) 2009, Marvell International Ltd. + */ + +#include <linux/kthread.h> +#include <linux/bitops.h> +#include <linux/slab.h> +#include <net/bluetooth/bluetooth.h> +#include <linux/err.h> +#include <linux/gfp.h> +#include <linux/interrupt.h> +#include <linux/io.h> +#include <linux/of_platform.h> +#include <linux/platform_device.h> +#include <linux/pm_runtime.h> +#include <linux/of_irq.h> + +#define BTM_HEADER_LEN 4 +#define BTM_UPLD_SIZE 2312 + +/* Time to wait until Host Sleep state change in millisecond */ +#define WAIT_UNTIL_HS_STATE_CHANGED msecs_to_jiffies(5000) +/* Time to wait for command response in millisecond */ +#define WAIT_UNTIL_CMD_RESP msecs_to_jiffies(5000) + +enum rdwr_status { + RDWR_STATUS_SUCCESS = 0, + RDWR_STATUS_FAILURE = 1, + RDWR_STATUS_DONE = 2 +}; + +#define FW_DUMP_MAX_NAME_LEN 8 +#define FW_DUMP_HOST_READY 0xEE +#define FW_DUMP_DONE 0xFF +#define FW_DUMP_READ_DONE 0xFE + +struct memory_type_mapping { + u8 mem_name[FW_DUMP_MAX_NAME_LEN]; + u8 *mem_ptr; + u32 mem_size; + u8 done_flag; +}; + +struct btmrvl_thread { + struct task_struct *task; + wait_queue_head_t wait_q; + void *priv; +}; + +struct btmrvl_device { + void *card; + struct hci_dev *hcidev; + + u8 dev_type; + + u8 tx_dnld_rdy; + + u8 psmode; + u8 pscmd; + u8 hsmode; + u8 hscmd; + + /* Low byte is gap, high byte is GPIO */ + u16 gpio_gap; + + u8 hscfgcmd; + u8 sendcmdflag; +}; + +struct btmrvl_adapter { + void *hw_regs_buf; + u8 *hw_regs; + u32 int_count; + struct sk_buff_head tx_queue; + u8 psmode; + u8 ps_state; + u8 hs_state; + u8 wakeup_tries; + wait_queue_head_t cmd_wait_q; + wait_queue_head_t event_hs_wait_q; + u8 cmd_complete; + bool is_suspended; + bool is_suspending; +}; + +struct btmrvl_private { + struct btmrvl_device btmrvl_dev; + struct btmrvl_adapter *adapter; + struct btmrvl_thread main_thread; + int (*hw_host_to_card)(struct btmrvl_private *priv, + u8 *payload, u16 nb); + int (*hw_wakeup_firmware)(struct btmrvl_private *priv); + int (*hw_process_int_status)(struct btmrvl_private *priv); + spinlock_t driver_lock; /* spinlock used by driver */ +#ifdef CONFIG_DEBUG_FS + void *debugfs_data; +#endif + bool surprise_removed; +}; + +#define MRVL_VENDOR_PKT 0xFE + +/* Vendor specific Bluetooth commands */ +#define BT_CMD_PSCAN_WIN_REPORT_ENABLE 0xFC03 +#define BT_CMD_ROUTE_SCO_TO_HOST 0xFC1D +#define BT_CMD_SET_BDADDR 0xFC22 +#define BT_CMD_AUTO_SLEEP_MODE 0xFC23 +#define BT_CMD_HOST_SLEEP_CONFIG 0xFC59 +#define BT_CMD_HOST_SLEEP_ENABLE 0xFC5A +#define BT_CMD_MODULE_CFG_REQ 0xFC5B +#define BT_CMD_LOAD_CONFIG_DATA 0xFC61 + +/* Sub-commands: Module Bringup/Shutdown Request/Response */ +#define MODULE_BRINGUP_REQ 0xF1 +#define MODULE_BROUGHT_UP 0x00 +#define MODULE_ALREADY_UP 0x0C + +#define MODULE_SHUTDOWN_REQ 0xF2 + +/* Vendor specific Bluetooth events */ +#define BT_EVENT_AUTO_SLEEP_MODE 0x23 +#define BT_EVENT_HOST_SLEEP_CONFIG 0x59 +#define BT_EVENT_HOST_SLEEP_ENABLE 0x5A +#define BT_EVENT_MODULE_CFG_REQ 0x5B +#define BT_EVENT_POWER_STATE 0x20 + +/* Bluetooth Power States */ +#define BT_PS_ENABLE 0x02 +#define BT_PS_DISABLE 0x03 +#define BT_PS_SLEEP 0x01 + +/* Host Sleep states */ +#define HS_ACTIVATED 0x01 +#define HS_DEACTIVATED 0x00 + +/* Power Save modes */ +#define PS_SLEEP 0x01 +#define PS_AWAKE 0x00 + +#define BT_CAL_HDR_LEN 4 +#define BT_CAL_DATA_SIZE 28 + +struct btmrvl_event { + u8 ec; /* event counter */ + u8 length; + u8 data[4]; +} __packed; + +/* Prototype of global function */ + +int btmrvl_register_hdev(struct btmrvl_private *priv); +struct btmrvl_private *btmrvl_add_card(void *card); +int btmrvl_remove_card(struct btmrvl_private *priv); + +void btmrvl_interrupt(struct btmrvl_private *priv); + +bool btmrvl_check_evtpkt(struct btmrvl_private *priv, struct sk_buff *skb); +int btmrvl_process_event(struct btmrvl_private *priv, struct sk_buff *skb); + +int btmrvl_send_module_cfg_cmd(struct btmrvl_private *priv, u8 subcmd); +int btmrvl_pscan_window_reporting(struct btmrvl_private *priv, u8 subcmd); +int btmrvl_send_hscfg_cmd(struct btmrvl_private *priv); +int btmrvl_enable_ps(struct btmrvl_private *priv); +int btmrvl_prepare_command(struct btmrvl_private *priv); +int btmrvl_enable_hs(struct btmrvl_private *priv); + +#ifdef CONFIG_DEBUG_FS +void btmrvl_debugfs_init(struct hci_dev *hdev); +void btmrvl_debugfs_remove(struct hci_dev *hdev); +#endif |